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138826314 = 232111793917
BaseRepresentation
bin10000100011001…
…01001001001010
3100200020002220100
420101211021022
5241014420224
621435310230
73304001304
oct1021451112
9320202810
10138826314
11714002a0
123a5ab376
13229b9063
141461a974
15c2c3ac9
hex846524a

138826314 has 48 divisors (see below), whose sum is σ = 330052320. Its totient is φ = 41822880.

The previous prime is 138826313. The next prime is 138826319. The reversal of 138826314 is 413628831.

138826314 is a `hidden beast` number, since 1 + 388 + 263 + 14 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138826313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33484 + ... + 37400.

It is an arithmetic number, because the mean of its divisors is an integer number (6876090).

Almost surely, 2138826314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138826314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165026160).

138826314 is an abundant number, since it is smaller than the sum of its proper divisors (191226006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138826314 is a wasteful number, since it uses less digits than its factorization.

138826314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4112 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 138826314 is about 11782.4578929865. The cubic root of 138826314 is about 517.7942987511.

The spelling of 138826314 in words is "one hundred thirty-eight million, eight hundred twenty-six thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 179 198 358 537 1074 1611 1969 3222 3917 3938 5907 7834 11751 11814 17721 23502 35253 35442 43087 70506 86174 129261 258522 387783 701143 775566 1402286 2103429 4206858 6310287 7712573 12620574 15425146 23137719 46275438 69413157 138826314